$F086/61574: Get From RS232
Jump from $F150:
F086: AD 97 02 LDA $0297 ; RS232 Pseudo 6551 Status Register Image
F089: AC 9C 02 LDY $029C ; RS232 Pointer: High Byte of Input Buffer
F08C: CC 9B 02 CPY $029B ; RS232 Index to End of Input Buffer
F08F: F0 0B BEQ $F09C
F091: 29 F7 AND #$F7
F093: 8D 97 02 STA $0297 ; RS232 Pseudo 6551 Status Register Image
F096: B1 F7 LDA ($F7),Y ; RS232 Input Buffer Pointer
F098: EE 9C 02 INC $029C ; RS232 Pointer: High Byte of Input Buffer
F09B: 60 RTS
Jump from $F08F:
F09C: 09 08 ORA #$08
F09E: 8D 97 02 STA $0297 ; RS232 Pseudo 6551 Status Register Image
F0A1: A9 00 LDA #$00
F0A3: 60 RTS
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